The rocks indicate an ancient, iron-rich environment, but the rover wasn’t able study details of the rock’s composition.
Source : Green Blobs on a Red Planet: NASA Rover Spots ‘Enigmatic’ Rock
The rocks indicate an ancient, iron-rich environment, but the rover wasn’t able study details of the rock’s composition.
Source : Green Blobs on a Red Planet: NASA Rover Spots ‘Enigmatic’ Rock